NSN 4820-01-187-6822 MV579, MV57-9 , 157A 1/2X1 1/4 3000T6000PSI
Product Details | SAFETY RELIEF VALVE
4820-01-187-6822 A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.
Part Alternates: MV579, MV57-9 , 157A 1/2X1 1/4 3000T6000PSI, 157A 1-2X1 1-4I, 157A12X1143000T6000PSI, 157A12X114I, 6VR5743, 6VR57-4-3, 4820-01-187-6822, 01-187-6822, 4820011876822, 011876822, 883117664
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 23 AUG 1984 | 01-187-6822 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-01-187-6822
Cross Reference | NSN 4820-01-187-6822
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 157A 1-2X1 1-4I | 99565 | ADMIRAL VALVE, LLC DBA CPV MANUFACTURING |
| 157A 1/2X1 1/4 3000T6000PSI | 99565 | ADMIRAL VALVE, LLC DBA CPV MANUFACTURING |
| 6VR57-4-3 | 54716 | HYDRASEARCH CO., INC. DBA USE CAGE CODE 32142 FOR |
| 883117664 | 99565 | ADMIRAL VALVE, LLC DBA CPV MANUFACTURING |
| MV57-9 | 71905 | DERBYSHIRE MACHINE & TOOL CO |
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Technical Data | NSN 4820-01-187-6822
| Characteristic | Specifications |
|---|---|
| MATERIAL | BRONZE BODY PLASTIC POLYAMIDE FLOW CONTROL DEVICE STEEL COMP 304 SEAT |
| STYLE DESIGNATOR | C1 ANGLE |
| FLOW CONTROL DEVICE | DISK |
| MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE |
| MAXIMUM OPERATING PRESSURE | 6000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 225.0 DEG FAHRENHEIT SINGLE RESPONSE |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | THREADED EXTERNAL PIPE ALL ENDS |
| CONNECTION STYLE | G46B PLAIN ALL ENDS |
| THREAD SERIES DESIGNATOR | NPT ALL ENDS |
| NOMINAL THREAD SIZE | 1.250 INCHES 1ST END 0.500 INCHES 2ND END |
| THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| BONNET TYPE | INSIDE SPRING |
| BONNET ATTACHMENT METHOD | UNION |
| OPENING PRESSURE SETTING | 3000.0 POUNDS PER SQUARE INCH |
| FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE AND VALVE STEM LOCK SHIELD |
Restrictions/Controls & Freight Information | NSN 4820-01-187-6822
| Category | Code | Description |
|---|---|---|
| Shelf-Life Code: | 0 | Nondeteriorative |
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| Precious Metals Indicator Code: | A | Item does not contain precious metal |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| NMF Description | 127220 | PRESSURE REG/RED/RELIEF VALVES NOI |
| Less than car load rating | ||
| Less than truck load rating | P | 77.5 |
| Water commodity Code | 594 | unknown |
| Originating Activity Code | AX | Defense Supply Center Columbus Columbus, OH 43216-5000 |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | V | Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above. |
| Air Special Handling | Z | No special handling required. |
| Special Handling Code | 9 | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |
Management | NSN 4820-01-187-6822
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 3B | Navy-owned stocks of field level repairable DLA material Naval Inventory Control Point, Mechanicsburg |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Acquisition Advice Codes | J | NOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |